618-2002/01 – Refining and Steel Casting (RaOO)
| Gurantor department | Department of Metallurgy and Foundry | Credits | 6 |
| Subject guarantor | prof. Ing. Karel Michalek, CSc. | Subject version guarantor | prof. Ing. Karel Michalek, CSc. |
| Study level | undergraduate or graduate | Requirement | Compulsory |
| Year | 3 | Semester | winter |
| | Study language | Czech |
| Year of introduction | 2014/2015 | Year of cancellation | 2021/2022 |
| Intended for the faculties | FMT | Intended for study types | Bachelor |
Subject aims expressed by acquired skills and competences
Acquired knowledge:
-student will be able to characterize the basic technologies of the secondary metallurgy and their theoretical essence
-student will be able to describe the principle and course of steel solidification together with presentation of particulate technologies of steel casting
Acquired skills:
-student will be able to use his knowledge for description of basis of theory and practice of secondary steel treatment and steel casting
-student will be able to develop his theoretical and practical findings during his further studies
Teaching methods
Lectures
Tutorials
Summary
Subject is read with the purpose of understanding of basic theoretical and practical knowledge of methods of secondary metallurgy during treatment of liquid steel. Students will be also introduced to basic findings from the field of steel casting, namely during classic method into ingots and especially during progressive method by the help of continuous casting.
Compulsory literature:
GHOSH, A.: Secondary Steelmaking - Principles and Applications. New York, 2001, 322 p.
FRUEHAN, R. J.: The Making, Shaping and Treating of Steel, AISE Steel Foundation, 1998, 767 p.
Recommended literature:
STOLTE, G.: Secondary Metallurgy - Fundamentals Processes Applications. Düsseldorf, 2002, 216 p.
YOGESHWAR, S., TOSHIHIKO, E.: Tundish Technology for Clean Steel Production, World Scientific, 2007, 313 p.
Additional study materials
Way of continuous check of knowledge in the course of semester
E-learning
http://www.fmmi.vsb.cz/cs/urceno-pro/studenty/podklady-ke-studiu/studijni-opory
Other requirements
preparing a seminar work and passing current tests
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
1.Causes of Reasons of the development of methods of secondary metallurgy, its importance, dividing of methods.
2.Elements of steel, behaviour of elements during steel refining.
3.Refining of steel by the help of inert gases, effects, technologies, flotation of non-metallic inclusions by the inert gas, absorption of inclusions by the slag.
4.Gases in the steel, degassing of steel, basis, mechanism, vacuum steel refining, technological methods.
5.Steel refining by the help of synthetic slags, composition of slags, kinetics of processes.
6.Ladle furnaces, importance during steel treatment at the secondary metallurgy, dividing. Inputting of cored and Al wires into the liquid steel, importance, technology, modification of inclusions.
7.Steel casting, equipment of cast houses, characteristics of basic technologies.
8.Steel casting into ingot-moulds, top-pouring, uphill casting, steel crystallisation, structure of ingots, micro- and macro-segregation.
9.Ingots defects of killed and rimmed steel.
10.Continuous steel casting, dividing, advantages, disadvantages, construction of the CCM.
11.Secondary metallurgy, optimization of steel flowing, submerged nozzles.
12.Steel solidification in the mould, primary, secondary and tertiary cooling zone, dividing of blanks.
13.Defects of continuously cast blanks.
14.New directions at casting of blanks.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction